4 portfolios which collect a selection of art covers by Franco Brambilla. Illustrations made for Urania, Urania Collezione and Millemondi book collections by Mondadori in 16 years divided in 4 themes: "01 Starships", "02 Robot and aliens", "03 Other worlds and dimensions", "04 The Possible and the Impossible". Portfolio 04 (126 pages) includes many alternative covers unpublished and a different hand made sketch in any copy.